11100212123 has 16 divisors (see below), whose sum is σ = 14903782656. Its totient is φ = 7984167840.

The previous prime is 11100212087. The next prime is 11100212141. The reversal of 11100212123 is 32121200111.

It is not a de Polignac number, because 11100212123 - 2⁸ = 11100211867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11100212098 and 11100212107.

It is not an unprimeable number, because it can be changed into a prime (11100212153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5543561 + ... + 5545562.

It is an arithmetic number, because the mean of its divisors is an integer number (931486416).

Almost surely, 2^11100212123 is an apocalyptic number.

11100212123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11100212123 is a deficient number, since it is larger than the sum of its proper divisors (3803570533).

11100212123 is a wasteful number, since it uses less digits than its factorization.

11100212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11089154.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11100212123 its reverse (32121200111), we get a palindrome (43221412234).

The spelling of 11100212123 in words is "eleven billion, one hundred million, two hundred twelve thousand, one hundred twenty-three".